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Diffstat (limited to 'netwerk/base/nsINetUtil.idl')
| -rw-r--r-- | netwerk/base/nsINetUtil.idl | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/netwerk/base/nsINetUtil.idl b/netwerk/base/nsINetUtil.idl new file mode 100644 index 000000000..800a9ae90 --- /dev/null +++ b/netwerk/base/nsINetUtil.idl @@ -0,0 +1,230 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsISupports.idl" + +interface nsIURI; +interface nsIPrefBranch; + +/** + * nsINetUtil provides various network-related utility methods. + */ +[scriptable, uuid(fe2625ec-b884-4df1-b39c-9e830e47aa94)] +interface nsINetUtil : nsISupports +{ + /** + * Parse a Content-Type header value in strict mode. This is a more + * conservative parser that reject things that violate RFC 7231 section + * 3.1.1.1. This is typically useful for parsing Content-Type header values + * that are used for HTTP requests, and those that are used to make security + * decisions. + * + * @param aTypeHeader the header string to parse + * @param [out] aCharset the charset parameter specified in the + * header, if any. + * @param [out] aHadCharset whether a charset was explicitly specified. + * @return the MIME type specified in the header, in lower-case. + */ + AUTF8String parseRequestContentType(in AUTF8String aTypeHeader, + out AUTF8String aCharset, + out boolean aHadCharset); + + /** + * Parse a Content-Type header value in relaxed mode. This is a more + * permissive parser that ignores things that go against RFC 7231 section + * 3.1.1.1. This is typically useful for parsing Content-Type header values + * received from web servers where we want to make a best effort attempt + * at extracting a useful MIME type and charset. + * + * NOTE: DO NOT USE THIS if you're going to make security decisions + * based on the result. + * + * @param aTypeHeader the header string to parse + * @param [out] aCharset the charset parameter specified in the + * header, if any. + * @param [out] aHadCharset whether a charset was explicitly specified. + * @return the MIME type specified in the header, in lower-case. + */ + AUTF8String parseResponseContentType(in AUTF8String aTypeHeader, + out AUTF8String aCharset, + out boolean aHadCharset); + + /** + * Test whether the given URI's handler has the given protocol flags. + * + * @param aURI the URI in question + * @param aFlags the flags we're testing for. + * + * @return whether the protocol handler for aURI has all the flags + * in aFlags. + */ + boolean protocolHasFlags(in nsIURI aURI, in unsigned long aFlag); + + /** + * Test whether the protocol handler for this URI or that for any of + * its inner URIs has the given protocol flags. This will QI aURI to + * nsINestedURI and walk the nested URI chain. + * + * @param aURI the URI in question + * @param aFlags the flags we're testing for. + * + * @return whether any of the protocol handlers involved have all the flags + * in aFlags. + */ + boolean URIChainHasFlags(in nsIURI aURI, in unsigned long aFlags); + + /** + * Take aURI and produce an immutable version of it for the caller. If aURI + * is immutable this will be aURI itself; otherwise this will be a clone, + * marked immutable if possible. Passing null to this method is allowed; in + * that case it will return null. + */ + nsIURI toImmutableURI(in nsIURI aURI); + + /** + * Create a simple nested URI using the result of + * toImmutableURI on the passed-in aURI which may not be null. + * Note: The return URI will not have had its spec set yet. + */ + nsIURI newSimpleNestedURI(in nsIURI aURI); + + /** Escape every character with its %XX-escaped equivalent */ + const unsigned long ESCAPE_ALL = 0; + + /** Leave alphanumeric characters intact and %XX-escape all others */ + const unsigned long ESCAPE_XALPHAS = 1; + + /** Leave alphanumeric characters intact, convert spaces to '+', + %XX-escape all others */ + const unsigned long ESCAPE_XPALPHAS = 2; + + /** Leave alphanumeric characters and forward slashes intact, + %XX-escape all others */ + const unsigned long ESCAPE_URL_PATH = 4; + + /** + * escape a string with %00-style escaping + */ + ACString escapeString(in ACString aString, in unsigned long aEscapeType); + + /** %XX-escape URL scheme */ + const unsigned long ESCAPE_URL_SCHEME = 1; + + /** %XX-escape username in the URL */ + const unsigned long ESCAPE_URL_USERNAME = 1 << 1; + + /** %XX-escape password in the URL */ + const unsigned long ESCAPE_URL_PASSWORD = 1 << 2; + + /** %XX-escape URL host */ + const unsigned long ESCAPE_URL_HOST = 1 << 3; + + /** %XX-escape URL directory */ + const unsigned long ESCAPE_URL_DIRECTORY = 1 << 4; + + /** %XX-escape file basename in the URL */ + const unsigned long ESCAPE_URL_FILE_BASENAME = 1 << 5; + + /** %XX-escape file extension in the URL */ + const unsigned long ESCAPE_URL_FILE_EXTENSION = 1 << 6; + + /** %XX-escape URL parameters */ + const unsigned long ESCAPE_URL_PARAM = 1 << 7; + + /** %XX-escape URL query */ + const unsigned long ESCAPE_URL_QUERY = 1 << 8; + + /** %XX-escape URL ref */ + const unsigned long ESCAPE_URL_REF = 1 << 9; + + /** %XX-escape URL path - same as escaping directory, basename and extension */ + const unsigned long ESCAPE_URL_FILEPATH = + ESCAPE_URL_DIRECTORY | ESCAPE_URL_FILE_BASENAME | ESCAPE_URL_FILE_EXTENSION; + + /** %XX-escape scheme, username, password, host, path, params, query and ref */ + const unsigned long ESCAPE_URL_MINIMAL = + ESCAPE_URL_SCHEME | ESCAPE_URL_USERNAME | ESCAPE_URL_PASSWORD | + ESCAPE_URL_HOST | ESCAPE_URL_FILEPATH | ESCAPE_URL_PARAM | + ESCAPE_URL_QUERY | ESCAPE_URL_REF; + + /** Force %XX-escaping of already escaped sequences */ + const unsigned long ESCAPE_URL_FORCED = 1 << 10; + + /** Skip non-ascii octets, %XX-escape all others */ + const unsigned long ESCAPE_URL_ONLY_ASCII = 1 << 11; + + /** + * Skip graphic octets (0x20-0x7E) when escaping + * Skips all ASCII octets (0x00-0x7F) when unescaping + */ + const unsigned long ESCAPE_URL_ONLY_NONASCII = 1 << 12; + + /** Force %XX-escape of colon */ + const unsigned long ESCAPE_URL_COLON = 1 << 14; + + /** Skip C0 and DEL from unescaping */ + const unsigned long ESCAPE_URL_SKIP_CONTROL = 1 << 15; + + /** + * %XX-Escape invalid chars in a URL segment. + * + * @param aStr the URL to be escaped + * @param aFlags the URL segment type flags + * + * @return the escaped string (the string itself if escaping did not happen) + * + */ + ACString escapeURL(in ACString aStr, in unsigned long aFlags); + + /** + * Expands URL escape sequences + * + * @param aStr the URL to be unescaped + * @param aFlags only ESCAPE_URL_ONLY_NONASCII and ESCAPE_URL_SKIP_CONTROL + * are recognized. If |aFlags| is 0 all escape sequences are + * unescaped + * @return unescaped string + */ + ACString unescapeString(in AUTF8String aStr, in unsigned long aFlags); + + /** + * Extract the charset parameter location and value from a content-type + * header. + * + * @param aTypeHeader the header string to parse + * @param [out] aCharset the charset parameter specified in the + * header, if any. + * @param [out] aCharsetStart index of the start of the charset parameter + * (the ';' separating it from what came before) in aTypeHeader. + * If this function returns false, this argument will still be + * set, to the index of the location where a new charset should + * be inserted. + * @param [out] aCharsetEnd index of the end of the charset parameter (the + * ';' separating it from what comes after, or the end + * of the string) in aTypeHeader. If this function returns + * false, this argument will still be set, to the index of the + * location where a new charset should be inserted. + * + * @return whether a charset parameter was found. This can be false even in + * cases when parseContentType would claim to have a charset, if the type + * that won out does not have a charset parameter specified. + */ + boolean extractCharsetFromContentType(in AUTF8String aTypeHeader, + out AUTF8String aCharset, + out long aCharsetStart, + out long aCharsetEnd); + +/** + * Parse an attribute referrer policy string (no-referrer, origin, unsafe-url) + * and return the according integer code (defined in nsIHttpChannel.idl) + * + * @param aPolicyString + * the policy string given as attribute + * @return aPolicyEnum + * referrer policy code from nsIHttpChannel.idl, (see parser in + * ReferrerPolicy.h for details) + */ + unsigned long parseAttributePolicyString(in AString aPolicyString); +}; |